Identification of multi-axle vehicle loads on beam type bridge based on minimal residual norm steepest descent method

To date, for some elastic systems with a finite number of degrees of mass freedom, in which the directions of mass movement are parallel and lie in the same plane, methods have been developed for creating additional generalized targeted constraints and generalized targeted kinematic devices. Each generalized targeted constraint increases, and each generalized targeted kinematic device reduces the value of only one selected natural frequency to a predetermined value, without changing the remaining natural frequencies and natural modes. Earlier, for elastic systems with a finite number of degrees of mass freedom, in which the directions of mass motion are parallel, but do not lie in the same plane (for example, plates), an approach for the computing of a matrix of additional stiffness and a method for the development of computational schemes of additional generalized targeted constraints were developed. Also earlier, for such systems, an approach was proposed for the computing of a special matrix with allowance for additional inertial forces that determine a generalized targeted kinematic device. At the same time, the method of development of computational schemes of kinematic devices was not proposed. The distinctive paper is devoted to approach, that makes it possible to develop computational schemes of generalized targeted kinematic devices for such systems as well. A variant of the computational scheme of constraint for the rod system with one degree of activity, is considered. Some special properties of such targeted kinematic devices are revealed.

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Формирование Расчетных Схем Обобщенных Кинематических Устройств, Прицельно Регулирующих Спектр Частот Собственных Колебаний Упругих Систем С Конечным Числом Степеней Свободы Масс, У Которых Направления Движения Параллельны, Но Не Лежат В Одной Плоскости

Lyakhovich,

Akimov,

Galyautdinov

et al. 2023

IJCCSE

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To date, for some elastic systems with a finite number of degrees of mass freedom, in which the directions of mass movement are parallel and lie in the same plane, methods have been developed for creating additional generalized targeted constraints and generalized targeted kinematic devices. Each generalized targeted constraint increases, and each generalized targeted kinematic device reduces the value of only one selected natural frequency to a predetermined value, without changing the remaining natural frequencies and natural modes. Earlier, for elastic systems with a finite number of degrees of mass freedom, in which the directions of mass motion are parallel, but do not lie in the same plane (for example, plates), an approach for the computing of a matrix of additional stiffness and a method for the development of computational schemes of additional generalized targeted constraints were developed. Also earlier, for such systems, an approach was proposed for the computing of a special matrix with allowance for additional inertial forces that determine a generalized targeted kinematic device. At the same time, the method of development of computational schemes of kinematic devices was not proposed. The first part of the paper was devoted to approach, that made it possible to develop computational schemes of generalized targeted kinematic devices for such systems as well. A variant of the computational scheme of constraint for the rod system with one degree of activity was considered. Some special properties of such targeted kinematic devices were revealed. The distinctive second part of the paper is devoted to corresponding samples of analysis.

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Identification of multi-axle vehicle loads on beam type bridge based on minimal residual norm steepest descent method

Cited by 4 publications

References 57 publications

Deep learning-based identification of vehicular moving forces for bridges without axle configurations

Deep learning-based identification of vehicular moving forces for bridges without axle configurations

Development of Computational Schemes of Generalized Kinematic Devices That Precisely Regulate the Natural Frequency Spectrum of Elastic Systems With a Finite Number of Degrees of Mass Freedom, in Which the Directions of Motion Are Parallel, but Do Not Lie in the Same Plane

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